| 摘要 |
The invention relates to a supply device (32) for sewing material layers (16, 18, 20) of a large area sewing product such as mattress panels for example, comprising several sewing material layers (16, 18, 20), particularly at least three, preferably one sewing material layer of elastic material, for example foamed material, and one sewing material layer intended as a top layer, which layers are to be stitched together using a sewing machine (14) with at least one sewing unit, in particular a multiple-needle sewing machine, wherein said supply device consists of at least one roll receiver (34) capable of receiving at least two material rolls (24, 26, 28, 36, 38, 40), each material roll (24, 26, 28, 36, 38, 40) being rotatably supported in a holder (42) of the roll receiver (34), and wherein sewing material layers (16, 18, 20) can be removed from the material rolls (24, 26, 28, 36, 38, 40) arranged in a roll receiver (34) and fed to the sewing unit, wherein the sewing material layers (16, 18, 20) from a roll receiver (34) can be alternatively fed to the sewing unit. |
| 主权项 |
1. A supply device for a sewing machine, particularly a multiple-needle sewing machine, with at least one sewing unit, for sewing material layers of a large-scale sewing product such as mattress panels comprising several sewing material layers, particularly at least three, preferably having one sewing material layer of elastic material, for example foamed material, and one sewing material layer intended as a top layer, which layers are to be stitched together using the sewing machine, said supply device comprising:
at least two material rolls; at least one roll receiver capable of receiving the material rolls; a holder being arranged at the roll receiver, wherein each material roll is rotatably supported in a holder of the roll receiver; means for removing the material layers from the material rolls arranged in the roll receiver, and for feeding the material layers to the sewing unit; and wherein the sewing material layers can be alternatively fed to the sewing unit from the roll receiver and wherein the sewing material layers are immediately available from the material rolls in the roll receiver and can be alternatively supplied to the sewing unit without requiring an exchange of material rolls. |
